After menstruation, can you be pregnant with the same room?

Soon after menstruation, the odds of pregnancy in the same room are not high, but there is also the possibility of pregnancy. In general, the endometrium has not been repaired for a few days after menstruation, and there will be no ovulation for the time being, but some women's menstruation is very irregular. The time of ovulation is not fixed. If you do not take contraceptive measures, you will also be pregnant.